The Mario maker has gone Mario mad. Nintendo showed off three new Mario games for its 3DS handheld game console. New Super Mario Bros. 2 is due out this August, and places a major focus on a gaming trope that Mario helped create: gold coins. Nearly every action in the game generates the goodies--talk about a strong feedback loop.

Next up is Paper Mario: Sticker Star, another entry in the famed sub franchise that focuses on 3D visuals and special stickers that players can use to advance in each stage. Finally, Nintendo touted a bit more of Luigi's Mansion for 3DS and tacked on a subtitle: Dark Moon. According to Nintendo, players will explore multiple mansions with a heavier focus on ghost catching, boss fighting and mission-based play hooks.